1 /* Copyright (c) 2009, 2010, 2011. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "surf_routing_private.h"
10 extern routing_global_t global_routing;
12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_full, surf, "Routing part of surf");
14 #define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
16 /* Routing model structure */
18 typedef struct s_routing_component_full {
19 s_as_t generic_routing;
20 route_extended_t *routing_table;
21 } s_routing_component_full_t, *routing_component_full_t;
23 /* Business methods */
24 static xbt_dynar_t full_get_onelink_routes(AS_t rc)
26 xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
28 routing_component_full_t routing = (routing_component_full_t) rc;
29 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
30 xbt_dict_cursor_t c1 = NULL, c2 = NULL;
31 char *k1, *d1, *k2, *d2;
32 xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
33 xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
34 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k1);
35 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k2);
38 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
40 route_extended_t route = TO_ROUTE_FULL(*src_id, *dst_id);
42 if (xbt_dynar_length(route->generic_route.link_list) == 1) {
44 *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
46 onelink_t onelink = xbt_new0(s_onelink_t, 1);
47 onelink->link_ptr = link;
48 if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
49 onelink->src = xbt_strdup(k1);
50 onelink->dst = xbt_strdup(k2);
51 } else if (routing->generic_routing.hierarchy ==
52 SURF_ROUTING_RECURSIVE) {
53 onelink->src = xbt_strdup(route->src_gateway);
54 onelink->dst = xbt_strdup(route->dst_gateway);
56 xbt_dynar_push(ret, &onelink);
64 static route_extended_t full_get_route(AS_t rc,
65 const char *src, const char *dst)
69 "Invalid params for \"get_route\" function at AS \"%s\"",
73 routing_component_full_t routing = (routing_component_full_t) rc;
74 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
76 int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
77 int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
80 "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
83 route_extended_t e_route = NULL;
84 route_extended_t new_e_route = NULL;
88 e_route = TO_ROUTE_FULL(*src_id, *dst_id);
91 new_e_route = xbt_new0(s_route_extended_t, 1);
92 new_e_route->src_gateway = xbt_strdup(e_route->src_gateway);
93 new_e_route->dst_gateway = xbt_strdup(e_route->dst_gateway);
94 new_e_route->generic_route.link_list =
95 xbt_dynar_new(global_routing->size_of_link, NULL);
96 xbt_dynar_foreach(e_route->generic_route.link_list, cpt, link) {
97 xbt_dynar_push(new_e_route->generic_route.link_list, &link);
103 static void full_finalize(AS_t rc)
105 routing_component_full_t routing = (routing_component_full_t) rc;
106 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
109 /* Delete routing table */
110 for (i = 0; i < table_size; i++)
111 for (j = 0; j < table_size; j++)
112 generic_free_extended_route(TO_ROUTE_FULL(i, j));
113 xbt_free(routing->routing_table);
114 /* Delete bypass dict */
115 xbt_dict_free(&rc->bypassRoutes);
116 /* Delete index dict */
117 xbt_dict_free(&rc->to_index);
118 /* Delete structure */
123 /* Creation routing model functions */
125 AS_t model_full_create(void)
127 routing_component_full_t new_component = (routing_component_full_t)
128 model_generic_create_sized(sizeof(s_routing_component_full_t));
130 new_component->generic_routing.parse_route = model_full_set_route;
131 new_component->generic_routing.parse_ASroute = model_full_set_route;
132 new_component->generic_routing.get_route = full_get_route;
133 new_component->generic_routing.get_onelink_routes =
134 full_get_onelink_routes;
135 new_component->generic_routing.finalize = full_finalize;
137 return (AS_t) new_component;
140 void model_full_end(AS_t current_routing)
143 route_extended_t e_route;
146 routing_component_full_t routing =
147 ((routing_component_full_t) current_routing);
148 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
150 /* Create table if necessary */
151 if(!routing->routing_table)
152 routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
154 /* Add the loopback if needed */
155 if (current_routing->hierarchy == SURF_ROUTING_BASE) {
156 for (i = 0; i < table_size; i++) {
157 e_route = TO_ROUTE_FULL(i, i);
159 e_route = xbt_new0(s_route_extended_t, 1);
160 e_route->src_gateway = NULL;
161 e_route->dst_gateway = NULL;
162 e_route->generic_route.link_list =
163 xbt_dynar_new(global_routing->size_of_link, NULL);
164 xbt_dynar_push(e_route->generic_route.link_list,
165 &global_routing->loopback);
166 TO_ROUTE_FULL(i, i) = e_route;
172 static int surf_pointer_resource_cmp(const void *a, const void *b) {
176 void model_full_set_route(AS_t rc, const char *src,
177 const char *dst, route_extended_t route)
179 int *src_id, *dst_id;
180 src_id = xbt_dict_get_or_null(rc->to_index, src);
181 dst_id = xbt_dict_get_or_null(rc->to_index, dst);
182 routing_component_full_t routing = ((routing_component_full_t) rc);
183 size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
185 xbt_assert(src_id, "Network elements %s not found", src);
186 xbt_assert(dst_id, "Network elements %s not found", dst);
188 xbt_assert(xbt_dynar_length(route->generic_route.link_list) > 0,
189 "Invalid count of links, must be greater than zero (%s,%s)",
192 if(!routing->routing_table)
193 routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
195 if(TO_ROUTE_FULL(*src_id, *dst_id))
199 xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
200 xbt_dynar_foreach(route->generic_route.link_list,i,link_name)
202 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
203 xbt_assert(link,"Link : '%s' doesn't exists.",link_name);
204 xbt_dynar_push(link_route_to_test,&link);
206 xbt_assert(!xbt_dynar_compare(
207 (void*)TO_ROUTE_FULL(*src_id, *dst_id)->generic_route.link_list,
208 (void*)link_route_to_test,
209 (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
210 "The route between \"%s\" and \"%s\" already exists. If you are trying to define a reverse route, you must set the symmetrical=no attribute to your routes tags.", src,dst);
214 if(!route->dst_gateway && !route->src_gateway)
215 XBT_DEBUG("Load Route from \"%s\" to \"%s\"", src, dst);
217 XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
218 route->src_gateway, dst, route->dst_gateway);
219 if(routing_get_network_element_type((const char*)route->dst_gateway) == SURF_NETWORK_ELEMENT_NULL)
220 xbt_die("The dst_gateway '%s' does not exist!",route->dst_gateway);
221 if(routing_get_network_element_type((const char*)route->src_gateway) == SURF_NETWORK_ELEMENT_NULL)
222 xbt_die("The src_gateway '%s' does not exist!",route->src_gateway);
224 TO_ROUTE_FULL(*src_id, *dst_id) = generic_new_extended_route(rc->hierarchy,route,1);
225 xbt_dynar_shrink(TO_ROUTE_FULL(*src_id, *dst_id)->generic_route.link_list, 0);
228 if( A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES
229 || A_surfxml_ASroute_symmetrical == A_surfxml_ASroute_symmetrical_YES )
231 if(route->dst_gateway && route->src_gateway)
234 gw_tmp = route->src_gateway;
235 route->src_gateway = route->dst_gateway;
236 route->dst_gateway = gw_tmp;
238 if(TO_ROUTE_FULL(*dst_id, *src_id))
242 xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
243 for(i=xbt_dynar_length(route->generic_route.link_list) ;i>0 ;i--)
245 link_name = xbt_dynar_get_as(route->generic_route.link_list,i-1,void *);
246 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
247 xbt_assert(link,"Link : '%s' doesn't exists.",link_name);
248 xbt_dynar_push(link_route_to_test,&link);
250 xbt_assert(!xbt_dynar_compare(
251 (void*)TO_ROUTE_FULL(*dst_id, *src_id)->generic_route.link_list,
252 (void*)link_route_to_test,
253 (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
254 "The route between \"%s\" and \"%s\" already exists", src,dst);
258 if(!route->dst_gateway && !route->src_gateway)
259 XBT_DEBUG("Load Route from \"%s\" to \"%s\"", dst, src);
261 XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", dst,
262 route->src_gateway, src, route->dst_gateway);
263 TO_ROUTE_FULL(*dst_id, *src_id) = generic_new_extended_route(rc->hierarchy,route,0);
264 xbt_dynar_shrink(TO_ROUTE_FULL(*dst_id, *src_id)->generic_route.link_list, 0);
268 if (rc->hierarchy == SURF_ROUTING_BASE) generic_free_route((route_t)route) ;
269 else generic_free_extended_route((route_extended_t)route);